Re: awakening noop

Stefan Reinauer  writes:
> Haven't seen these in a while, but they are back with the latest romcc
> release:
>
> apic.h:100.1: auto.c:123.19: auto.c:197.30: 0x735c00 noop Internal compiler
> warning: awakening noop?
>
> apic.h:100.1: auto.c:129.19: auto.c:197.30: 0x736b90 noop Internal compiler
> warning: awakening noop?
>
> Don't think they're saying anything else but that a dead subtree was
> detected in the code?

To clarify a little bit.

For the compiler to awakening a totally dead basic block/subtree is a
bug and will actually generate errors.

In this specific case the tree is only half dead which is very
peculiar.

Eric